2024-060 Robinson Gardens Box Culvert Improvements

The City of Lewiston, Maine, issued solicitation 2024-060 for the Robinson Gardens Box Culvert Improvements. The project involves the construction of a 5.25 foot rise by 7.5 foot span concrete box culvert in accordance with the United States Army Corps of Engineers Pre-Construction Notification Permit. Key technical requirements include the relocation of a 24 inch diameter reinforced concrete Jepson Brook Interceptor Sanitary Sewer, the reconstruction of concrete channels, wingwalls, and headwalls, and a water main extension using City-supplied materials. Additionally, the contractor must perform site-specific modifications at 40 Robinson Gardens, including garage and foundation adjustments, removal of a brick walkway and concrete patio, and driveway reconstruction, as well as the disassembly and reassembly of an above-ground pool at 41 Robinson Gardens. Site restoration tasks include roadway gravel installation, paving of disturbed sections, and lawn repair. The contract requires adherence to ACI, ASTM, AASHTO, and Maine Highways standards, with a specific focus on the design and installation of permanent insulated foam panel formwork. Performance is monitored through the submission of engineer-stamped shop drawings and a constructed mock-up. The contractor must commence work within ten days of contract signing and delivery of the bond, with liquidated damages set at 500 dollars per day for delays. Bids were due by November 5, 2024, and must be submitted as sealed physical copies to the Lewiston City Hall Purchasing Department. The project is managed under municipal guidelines, requiring a designated construction superintendent and a comprehensive quality control plan, with final acceptance contingent upon certification by the City Engineer.